Project Arinus: Biogeochemical Cycles in Forested Watersheds as Influenced by Experimental (Nh4)2So4 Treatments
Chapter
Abstract
Increasing atmospheric N inputs have been discussed as a cause of the recent forest decline. Elevated N levels in soil solution may contribute to acidification and lead to nutritional disturbances (imbalances, deficiencies) and impaired nutrient uptake due to a reduction in mycorrhizal growth. Furthermore, excess nitrate leaching from the root zone may impair the use of ground-water and surface water for drinking water when NO3 – and Al concentrations exceed threshold values. In this paper, the N cycling in two Norway spruce (Picea abies (L) Karst.) ecosystems and initial effects of a (NH4)2SO4 treatement are discussed.
Keywords
Root Zone Tree Utilization Beech Stand Nutritional Disturbance Experimental Design Research
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References
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© ECSC, EEC, EAEC, Brussels and Luxembourg 1992